人教新课标Book6 Uni4 Grammar精选.pptVIP

口诀 代词 it 本意它, 既可指这又指那; 时间天气均可指, 谈到距离也用它; 假主假宾均可做, 强调句型跟that。 * 人教课标 高二 选修 6 Unit 4 — Who is it? — It’s me. You’ve helped me a lot; I’ll never forget it. 用作人称代词，代替上文提到的人或事物。 代 词 例 句 功 能 性质 It 的用法及强调句型 — What’s this? — It’s a computer． — Whose book is that? — Its hers． 用以代替指示代词this或that。 代 词 例 句 功 能 性质 It’s time for lunch． It’s raining hard． It’s two miles from the school to our home． 表示时间、天气、距离、价钱等。 代 词 例 句 功 能 性质 It is easy to buy a new radio. It is no use telling him that. It doesn’t matter whether she comes or not. 作形式主语, 代替由不定式、动名词或从句等表示的真正主语。 引 导 词 I feel it my duty to help him. We thought it no use doing that. I’ve made it clear that nobody is allowed to smoke here. 作形式宾语, 代替由不定式、动名词或从句等表示的真正宾语。 引导词 表示强调, 其结构是: It is / was + 强调部分 + that + 原句剩余部分。此结构只限于强调状语、主语和宾语。 注意：①如果强调的是人, 其后用that或who 均可; ②如果强调的是物、时间或地点等状语, 其后只能用that不用where、when、why。 引 导 词 I saw Tom yesterday here. ① It was I that/who saw Tom yesterday here. ② It was Tom that /who I saw yesterday here. ③ It was yesterday that I saw Tom here. ④ It was here that I saw Tom yesterday. 引 导 词 注意: 若原句是not…until句型, 在强调until 部分时, 要把否定形式放入被强调部分。 例如: He didn’t leave until l returned. = It was not until I returned that he left. 引 导 词 Do be patient! (一定要耐心点) He does want to learn English well. (他的确想学好英语。) It was in the place that I was born. (强调句) It was the place where I was born. (定语从句) *若强调谓语,则用do /does /did + 动词原形,常译为“的确” “一定”等,该结构只能用于陈述句或祈使句中。引导的强调句与其它从句的区别在于： 易 与 强 调 句 型 It was in 1945 that World War II ended. (强调句) It was 1945 when World War II ended. (定语从句) ③ It was a long time since I met you last. (时间状语) It is time that you went to bed. (定语从句) ① 强调句型中前后时态应一致; ②被强调的部分为主语、宾语和状语, 若把it is / was和that / who去掉,剩下的词语能重新组成正确的句子, 而且不缺成分,否则就是其它从句。 混 淆 的 其 它 从 句 Was it on a lonely island ______ he was saved one month after the boat went down? （四川2011） where B. that C. which D. what 从A、B、C、D四个选项中，选出可以填